diff --git a/app/guid-node/addons/index/template.hbs b/app/guid-node/addons/index/template.hbs
index 97ed3320b7..0d2f309ff5 100644
--- a/app/guid-node/addons/index/template.hbs
+++ b/app/guid-node/addons/index/template.hbs
@@ -167,7 +167,7 @@
                                     data-test-configured-addon-name
                                     local-class='configured-addon-display-name'
                                 >
-                                    {{configuredAddon.displayName}}
+                                    <span>{{configuredAddon.displayName}}</span>
                                     <span local-class='float-right'>
                                         <Button
                                             data-test-edit-connected-location={{configuredAddon.displayName}}
diff --git a/lib/osf-components/addon/components/addons-service/addon-account-setup/template.hbs b/lib/osf-components/addon/components/addons-service/addon-account-setup/template.hbs
index cf4eeb9cd8..174291d15f 100644
--- a/lib/osf-components/addon/components/addons-service/addon-account-setup/template.hbs
+++ b/lib/osf-components/addon/components/addons-service/addon-account-setup/template.hbs
@@ -36,6 +36,7 @@
                             id={{displayNameId}}
                             placeholder={{t 'addons.accountCreate.display-name-placeholder'}}
                             @value={{this.displayName}}
+                            @maxlength={{256}}
                         />
                     {{/let}}
                     <div local-class='button-wrapper'>
@@ -138,6 +139,7 @@
                         local-class='input'
                         placeholder={{t 'addons.accountCreate.display-name-placeholder'}}
                         @value={{this.displayName}}
+                        @maxlength={{256}}
                     />
                 {{/let}}
                 {{#if this.connectAccountError}}
diff --git a/lib/osf-components/addon/components/addons-service/configured-addon-edit/template.hbs b/lib/osf-components/addon/components/addons-service/configured-addon-edit/template.hbs
index 812a67413a..d04bbd2e15 100644
--- a/lib/osf-components/addon/components/addons-service/configured-addon-edit/template.hbs
+++ b/lib/osf-components/addon/components/addons-service/configured-addon-edit/template.hbs
@@ -9,6 +9,7 @@
                 data-test-display-name-input
                 @type='text'
                 @value={{this.displayName}}
+                @maxlength={{256}}
             />
         </label>
         {{#if this.invalidDisplayName}}